Randy Walker has an architecture background and now works with textile materials to create monumental, site-specific installations, such as a stunning piece created with eight miles of acrylic fiber that wrapped around a bridge in Minnesota.

Coined by Hyperallergic as "instant happiness", artist Michael Jones McKean's project The Rainbow: Principles of Light and Shapes Between Forms has achieved the phenomenological triumph of creating manmade colorful arcs in the sky.

Choose what hue or tint you would like to view the world in. The rooftop at the Aros Museum in Aarthus, Denmark permanently hosts this circular rainbow walkway designed by Olafur Elliasson. At night, the installation is lit up from inside by spotlights embedded in the floor.